The Apple OEM 45w MagSafe 2 Power Adapter is designed for MacBook Air models from 2012 to 2017. It is compatible with various MacBook Air models, including the 11-inch and 13-inch versions from different years. The power adapter provides a voltage of 14.85v and comes in a sleek white color to match Apple's aesthetic. This genuine Apple product is specifically tailored to meet the charging needs of MacBook Air users, ensuring compatibility and reliable performance. The cords are in good working order but they are a bit dirty.